CN207335658U - A kind of steel pipe girth and ellipticity measurement device - Google Patents
A kind of steel pipe girth and ellipticity measurement device Download PDFInfo
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- CN207335658U CN207335658U CN201721186321.0U CN201721186321U CN207335658U CN 207335658 U CN207335658 U CN 207335658U CN 201721186321 U CN201721186321 U CN 201721186321U CN 207335658 U CN207335658 U CN 207335658U
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- steel pipe
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- telescopic
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Abstract
The utility model discloses a kind of steel pipe girth and ellipticity measurement device, belong to welded tube field of measuring technique.The measuring device includes：Fixed seat, the connection component being rotatably connected with fixed seat, the sensor being fixedly connected with connection component, and the information processing component being connected with sensor signal；Connection component is used to drive sensor to move in a circle around the outer wall of steel pipe, and the axis of the circular motion of sensor is parallel with the axis of steel pipe；Sensor is used to measure once its distance between the outer wall of steel pipe, and generate range information every preset time during circular motion, and range information is sent to information processing component；Information processing component is used for the girth and ovality for receiving range information and steel pipe being obtained according to range information.The utility model replaces hand dipping with automation equipment, avoids the error caused by subjective factor in operating personnel's manual handling thereof, while measured the data precision is high, and stability is good.
Description
Technical field
Welded tube field of measuring technique is the utility model is related to, more particularly to a kind of steel pipe girth and ellipticity measurement device.
Background technology
In Process of Engineering Construction, it is often necessary to which the butt welding of plurality of sections of steel pipes end is used into an entirety.But
There are certain fluctuation for its girth and ovality in production for usual steel pipe.So when welding plurality of sections of steel pipes, if adjacent steel
The girth of pipe and differing greatly for ovality, can increase welding difficulty and make it that the quality of overall steel pipe after welding is low.Therefore
When carrying out steel-pipe welding, it is necessary to girth and ovality by measuring steel pipe, to reasonably select the steel pipe welded together, into
And reduce welding difficulty and improve the quality of steel pipe after welding.
Generally use manual measurement in the prior art.Specifically, it is measured around a circle in the outside of steel pipe using tape
Girth；The outside of steel pipe is connected to using vernier caliper, measures its maximum outside diameter and minimum outer diameter, and then determine the ellipse of steel pipe
Degree.
In the process of implementing the utility model, designer has found that the prior art has at least the following problems：
Used by the prior art mode of manual measurement there are measurement accuracy it is low the problem of.Specifically, measuring
During steel pipe girth, it is difficult to which it is the radial section of steel pipe to ensure measured section, and then influences the accuracy of measured girth.
When measuring steel pipe ovality, it is difficult to effectively determine the maximum gauge and minimum diameter of steel pipe, influence the survey of steel pipe ovality
Measure accuracy.And using manual operations, there are larger supervisor's factor, it can not ensure the stability of data.
Utility model content
In order to overcome the problem of measurement accuracy is low in the prior art, the utility model embodiment provides a kind of steel pipe week
Long and ellipticity measurement device.Concrete technical scheme is as follows：
A kind of steel pipe girth and ellipticity measurement device, the measuring device include：
Fixed seat, the connection component being rotatably connected with the fixed seat, fixes with the connection component and connects
The sensor connect, and the information processing component being connected with the sensor signal；
The connection component is used to drive the sensor to move in a circle around the outer wall of steel pipe, and the sensor
The axis of circular motion is parallel with the axis of the steel pipe；
The sensor is used to measure once its outer wall with the steel pipe every preset time during circular motion
The distance between, and range information is generated, the range information is sent to described information processing component；
Described information processing component is used to receive the range information and obtains the steel pipe according to the range information
Girth and ovality.
Alternatively, the measuring device is further included for driving the connection component to drive the sensor to move in a circle
Motor, the motor is fixed in the fixed seat, and connection component described in the output axis connection of the motor.
Alternatively, the connection component includes：Telescopic element and connecting rod；One end of the telescopic element and the output
Axis is fixedly connected, and the connecting rod is fixed on the other end of the telescopic element；The length direction of the connecting rod is parallel to institute
The axial direction of steel pipe is stated, the end that the connecting rod is not fixed with the telescopic element is connected with the sensor；The flexible member
Part is used to adjust the distance between the sensor and the output shaft.
Alternatively, the telescopic element includes：The first telescopic rod being fixedly connected with the output shaft, and with described
The second telescopic rod that the telescopable portion of one telescopic rod is fixedly connected；
The telescopic direction of first telescopic rod is identical with the telescopic direction of second telescopic rod；
And the telescopic end of second telescopic rod is fixedly connected with the connecting rod.
Alternatively, first telescopic rod is cylinder type telescoping cylinder.
Alternatively, second telescopic rod includes outer tube, and one end is arranged on the inner tube in the outer tube bore, and locking
Element；The end that said inner tube is located at the outside pipe is fixedly connected with the connecting rod；Said inner tube can be along the outer tube
Axial movement, the locking element are used for the movement for limiting said inner tube.
Alternatively, it is provided with scale on the outer wall of the part of the extended outer tube of the outer tube and said inner tube.
The beneficial effect brought of technical solution that the utility model embodiment provides is：
The steel pipe girth and ellipticity measurement device that the utility model embodiment is provided, by rotatably with
The connection component of fixed seat connection drives sensor to move in a circle around outer wall of steel pipe；Steel pipe is obtained by sensor radially to cut
On face outer wall of steel pipe to sensor distance, and pass through information processing component obtain outer wall of steel pipe on multiple collection points position.
And since fixed seat maintains the stabilization of the pivot center of sensor, steel pipe further can be obtained by information processing component
The relative position of multiple collection points on outer wall, and then calculate the girth and ovality of steel pipe.The utility model embodiment is with automatic
The device of change replaces hand dipping, and then avoids the error caused by subjective factor in operating personnel's manual handling thereof,
Measured data stability is good at the same time.In addition, the device is easy to use, simply, work efficiency can be effectively improved.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution in utility model embodiment
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of the steel pipe girth that the utility model embodiment provides and ellipticity measurement device.
Mark in attached drawing is respectively：
1st, fixed seat；
21st, telescopic element, the 211, first telescopic rod, the 212, second telescopic rod；
22nd, connecting rod；
3rd, sensor；
4th, motor.
Embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
The embodiment of type is described in further detail.
The utility model embodiment provides a kind of steel pipe girth and ellipticity measurement device, as shown in Figure 1, the measurement fills
Put including：
Fixed seat 1, the connection component being rotatably connected with fixed seat 1, the biography being fixedly connected with connection component
Sensor 3, and the information processing component being connected with 3 signal of sensor；
Connection component is used to drive sensor 3 to move in a circle around the outer wall of steel pipe, and the circular motion of sensor 3
Axis is parallel with the axis of steel pipe；
Sensor 3 be used for during circular motion every preset time measurement once its between the outer wall of steel pipe away from
From, and range information is generated, range information is sent to information processing component；
Information processing component is used for the girth and ovality for receiving range information and steel pipe being obtained according to range information.
The steel pipe girth and the use principle of ellipticity measurement device that the utility model embodiment is provided are as described below：
The measuring device is fixed by fixed seat 1, keeps single unit system to stablize.Steel pipe is moved afterwards to the measuring device
Place so that sensor 3 is located at the outside of steel pipe, and drives sensor 3 to be rotated around the outer wall of steel pipe by connection component, passes
The pivot center of sensor 3 is parallel with the axis of steel pipe.And then in rotation process, sensor 3 measures one every preset time
Its secondary distance with outer wall of steel pipe, obtain sensor 3 rotation radially, the distance on sensor 3 to outer wall of steel pipe, and root
The distance generation range information obtained according to measuring every time is sent to information processing component.Each measurement of wherein sensor 3 corresponds to
Collection point on outer wall of steel pipe.At this time since the measuring device is fixed, information processing component is measured according to sensor 3
Range information can obtain the relative position of each collection point on outer wall of steel pipe.And then information processing component is according to more on outer wall of steel pipe
The relative position of a point fits the position in the center of circle of the steel pipe by preset algorithm, and the position in the center of circle by fitting come
Each station acquisition point is obtained on outer wall of steel pipe to the distance in the center of circle, further obtain maximum gauge, the minimum diameter of steel pipe with
And girth.By the maximum gauge and minimum diameter of steel pipe, which can further obtain the ovality of steel pipe.
The utility model embodiment replaces hand dipping with automation equipment, and then avoids operating personnel's manual operations
During the error caused by subjective factor.Measured data stability is good at the same time, can reflect tapping relatively objectively
The girth and ovality of pipe.In addition, the device is easy to use, simply, work efficiency can be effectively improved.
Wherein, used preset algorithm does not do specific limit when being fitted the center location of steel pipe on information processing component
It is fixed, the center location of steel pipe is gone out for example with least square fitting.And further, information processing component is additionally operable to adjustment and passes
The preset time at interval when sensor 3 measures, and then regulate and control the number that sensor 3 measures in circular motion.Specifically
Ground, is not specifically limited for the pendulous frequency of sensor 3, for example, 360 times, it is 720 inferior.It is understood that sensor 3 exists
Pendulous frequency in circular motion is more, and the position of the position in the center of circle fitted by preset algorithm and each collection point obtains
Maximum gauge and minimum diameter to steel pipe more can reflect objective circumstances, and then the girth and ovality that finally obtain are more accurate
Really.Wherein it is not specifically limited for the type of sensor 3, the distance that sensor 3 arrives outer wall of steel pipe, example can be measured
Such as use infrared distance sensor.
Further, the concrete mode for driving sensor 3 to rotate on being drivingly connected component does not limit, for example with people
Work rotates or the mode of driven by power.
When using manual rotation's mode, connection component can be connected with fixed seat 1 by axis pin so that connection component is overall
It can be rotated by axis of axis pin, operating personnel is rotatablely connected component manually during use.
But it is difficult to control there are the rotational angle of connection component and sensor 3 using manual rotation's mode, is inconvenient for use
The defects of, therefore for the ease of the use of measuring device, turned in the utility model embodiment using driven by power connection component
Dynamic mode.Specifically, as shown in Figure 1, the measuring device further includes motor 4, and motor 4 is fixed in fixed seat 1, motor 4
Output shaft be connected with connection component.Drive connection component to rotate by the output shaft of motor 4, and then drive sensor 3 to surround
Outer wall of steel pipe rotates.Being rotatably connected for connection component and fixed seat 1 is realized by motor 4.At this time, the output shaft of motor 4
Axis be 3 circular motion of sensor axis.
Further, can also be in motor 4 and connection group in order to preferably control the rotation of connection component and sensor 3
Retarder (not shown) is set between part, and connection component is connected by retarder with motor at this time.Can by retarder
Avoid the rotating speed of connection component and sensor 3 too fast, cause equipment damage.
On the structure of connection component, specifically, which includes：Telescopic element 21 and connecting rod 22.Wherein, stretch
One end of contracting element 21 is fixedly connected with the output shaft of motor 4, and connecting rod 22 is fixed on the other end of telescopic element 21；Connecting rod
Parallel to the axial direction of steel pipe, the end that connecting rod 22 is not fixed with telescopic element 21 is connected 22 length direction with sensor 3；Stretch
Contracting element 21 is used to adjust the distance between output shaft of sensor 3 and motor 4.
Wherein by the way that there is certain distance between 22 sensor 3 of connecting rod and telescopic element 21, so when steel pipe leans on
During nearly telescopic element 21, it can ensure that sensor 3 is directed at the outer wall of steel pipe.By telescopic element 21 can adjust sensor 3 with
The distance between output shaft of motor 4.Specifically, telescopic element 21 is connected to the output shaft of connecting rod 22 and motor 4, and
Telescopic element 21 may be such that output axial displacement of the connecting rod 22 with respect to motor 4 when stretching, and then realize adjusting and connecting rod
The distance between output shaft of 22 sensors 3 fixed and motor 4.Further, the output shaft of motor 4 carries out for sensor 3
The central shaft of circular motion, thus sensor 3 to the distance between the output shaft of motor 4 be what sensor 3 moved in a circle
Radius.And then it have adjusted the radius of the progress circular motion of sensor 3 by telescopic element 21 so that the measuring device can measure
The outside diameter of various sizes of steel pipe, expands the scope of application of the measuring device.
In addition, it should be noted that, the internal diameter of steel pipe can be measured by the telescopic element 21 measuring device, this
When shrink telescopic element 21 so that the measuring device can be placed in the inside of steel pipe, and move in a circle around the inner wall of steel pipe,
And then the position of each collection point on steel pipe inner wall is measured, so as to calculate the internal diameter of steel pipe.
Further, telescopic element 21 includes the first telescopic rod 211, Yi Jiyu being fixedly connected with the output shaft of motor 4
The second telescopic rod 212 that the telescopable portion of first telescopic rod 211 is fixedly connected.Wherein, the telescopic direction of the first telescopic rod 211
It is identical with the telescopic direction of the second telescopic rod 212, and the telescopic end of the second telescopic rod 212 is fixedly connected with connecting rod 22.
On the one hand, the distance of stretch out and draw back amount of telescopic element can be increased by the first telescopic rod 211 and the second telescopic rod 212,
And then expand the scope of application of the measuring device.
On the other hand, it can be finely adjusted, adopted using one of telescopic rod for the ease of using in actual mechanical process
The adjustment of large-size is carried out with another telescopic rod.
For example, the adjustment that the first telescopic rod 211 carries out large-size can be adopted.At this point for the first telescopic rod 211
Type is not specifically limited, such as cylinder type telescopic rod, cylinder type telescopic rod.It is finely adjusted using the second telescopic rod 212.
When the first telescopic rod 211 is Telescopic-cylinder bar, do not done for the fixed form of the first telescopic rod 211 and motor 4
It is specific to limit.Such as shown in Fig. 1, supporting rod can be fixed on the outer wall of the first telescopic rod 211, the stationary fixture on supporting rod,
Pass through the output axis connection of fixture and motor 4.
At this time alternatively, the inner tube and lock member that the second telescopic rod 212 includes outer tube, one end is arranged in outer tube bore
Part；Wherein, inner tube is located at the end of outside pipe and is fixedly connected with connecting rod 22；And inner tube can be locked along the axial movement of outer tube
Element is moved for limiting inner tube along the axial of outer tube.When needing fine setting, inner tube is pulled out so that pass through connecting rod 22 and the
Distance increase of the sensor 3 that two telescopic rods 212 are fixed to the pivot center of sensor 3.And after inner tube is pulled out outer tube, also
Locking element need to be utilized to limit the further mobile of inner tube, keep being relatively fixed for inner and outer tubes.Implement in the utility model
In example, it is not specifically limited for the structure of locking element.For example, locking element is the lock being arranged on the side wall of outer tube
Tight bolt, one end of the bolt can be inserted into the inside of outer tube and abut against the side wall of inner tube.
In addition, can also be on the outer wall of outer tube, and scale is respectively provided with the outer wall of the part of the extended outer tube of inner tube, such as
This is easy to the fine setting that distance of stretch out and draw back is carried out by second telescopic rod.
The steel pipe girth and ellipticity measurement device that the utility model embodiment is provided, hand is replaced using automation equipment
Work is worked, and has been liberated labour, has been improved work efficiency.And the device high certainty of measurement, the data stability of acquisition are good.At the same time
There is provided telescopic element 21 so that the measuring device is suitable for the steel pipe of different size.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of steel pipe girth and ellipticity measurement device, it is characterised in that the measuring device includes：
Fixed seat (1), the connection component being rotatably connected with the fixed seat (1), is fixed with the connection component
The sensor (3) of connection, and the information processing component being connected with the sensor (3) signal；
The connection component is used to drive the sensor (3) to move in a circle around the outer wall of steel pipe, and the sensor (3)
Circular motion axis it is parallel with the axis of the steel pipe；
The sensor (3) be used for during circular motion every preset time measurement once its outer wall with the steel pipe it
Between distance, and generate range information, the range information be sent to described information processing component；
Described information processing component is used for the girth for receiving the range information and the steel pipe being obtained according to the range information
And ovality.
2. measuring device according to claim 1, it is characterised in that the measuring device is further included for driving the company
Connected components drive the motor (4) that the sensor (3) moves in a circle,
The motor (4) is fixed in the fixed seat (1), and connection component described in the output axis connection of the motor (4).
3. measuring device according to claim 2, it is characterised in that the connection component includes：Telescopic element (21) and
Connecting rod (22)；
One end of the telescopic element (21) is fixedly connected with the output shaft, and the connecting rod (22) is fixed on the flexible member
The other end of part (21)；
The length direction of the connecting rod (22) parallel to the steel pipe axial direction, the connecting rod (22) not with the flexible member
The fixed end of part (21) is connected with the sensor (3)；
The telescopic element (21) is used to adjust the distance between the sensor (3) and the output shaft.
4. measuring device according to claim 3, it is characterised in that the telescopic element (21) includes：
The first telescopic rod (211) being fixedly connected with the output shaft, and the telescoping section with first telescopic rod (211)
Divide the second telescopic rod (212) being fixedly connected；
The telescopic direction of first telescopic rod (211) is identical with the telescopic direction of second telescopic rod (212)；
And the telescopic end of second telescopic rod (212) is fixedly connected with the connecting rod (22).
5. measuring device according to claim 4, it is characterised in that first telescopic rod (211) is stretched for cylinder type
Cylinder.
6. measuring device according to claim 4, it is characterised in that second telescopic rod (212) includes outer tube, one end
The inner tube being arranged in the outer tube bore, and locking element；
The end that said inner tube is located at the outside pipe is fixedly connected with the connecting rod (22)；
Said inner tube can be along the axial movement of the outer tube, and the locking element is used for the movement for limiting said inner tube.
7. measuring device according to claim 6, it is characterised in that extended described outer in the outer tube and said inner tube
Scale is provided with the outer wall of the part of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186321.0U CN207335658U (en) | 2017-09-15 | 2017-09-15 | A kind of steel pipe girth and ellipticity measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186321.0U CN207335658U (en) | 2017-09-15 | 2017-09-15 | A kind of steel pipe girth and ellipticity measurement device |
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| Publication Number | Publication Date |
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| CN207335658U true CN207335658U (en) | 2018-05-08 |
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ID=62369440
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| CN201721186321.0U Active CN207335658U (en) | 2017-09-15 | 2017-09-15 | A kind of steel pipe girth and ellipticity measurement device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823161A (en) * | 2019-11-20 | 2020-02-21 | 利辛县宝隆橡塑密封件有限责任公司 | Rubber seal detection device |
| CN113532278A (en) * | 2020-03-29 | 2021-10-22 | 长春博识自动化焊接技术有限公司 | Steel pipe diameter and circumference measuring device |
| CN114252041A (en) * | 2020-09-21 | 2022-03-29 | 宝山钢铁股份有限公司 | Non-contact type on-line measuring method for outer diameter of steel pipe end |
-
2017
- 2017-09-15 CN CN201721186321.0U patent/CN207335658U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823161A (en) * | 2019-11-20 | 2020-02-21 | 利辛县宝隆橡塑密封件有限责任公司 | Rubber seal detection device |
| CN113532278A (en) * | 2020-03-29 | 2021-10-22 | 长春博识自动化焊接技术有限公司 | Steel pipe diameter and circumference measuring device |
| CN113532278B (en) * | 2020-03-29 | 2023-03-14 | 长春博识自动化焊接技术有限公司 | Steel pipe diameter and circumference measuring device |
| CN114252041A (en) * | 2020-09-21 | 2022-03-29 | 宝山钢铁股份有限公司 | Non-contact type on-line measuring method for outer diameter of steel pipe end |
| CN114252041B (en) * | 2020-09-21 | 2024-02-13 | 宝山钢铁股份有限公司 | Non-contact online measuring method for outer diameter of pipe end of steel pipe |
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